Direct-linked-type frequency changer based on DC-clamped bilateralswitching circuit topology |
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Authors: | Mino K. Okuma Y. Kuroki K. |
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Affiliation: | Fuji Electr. Corp. Res. & Dev. Ltd., Tokyo ; |
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Abstract: | This paper describes a direct-linked-type frequency changer (DLT-FC) proposed by the authors. The DLT-FC is a converter circuit with a new configuration for direct frequency change. The DLT-FC does not require a DC-link circuit, nor bilateral switches. In addition, DC snubber circuits can be applied without the need for a regenerative circuit of snubber energy. Therefore, the DLT-FC can be designed to be compact and lightweight, and have a long life. The authors made a prototype of the DLT-FC and experimentally checked its operation. The results indicate that the performance of the DLT-FC makes it suitable for industrial use |
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